fix:Split L0_nomodel_perf into 2 test to ensure better debug-ability and resource util for PA

[indrajit96]

What does the PR do?

Split L0_perf_nomodel into 2 test to better debug and run PA for custom backend.
Currently a single test gets, split into 2
Other fixes as suggested by ops team and tools team

1. Remove tee utility
2. Toggle PA args

This is a PR to discuss around PA args and above fixes

Checklist

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• Changes are described in the pull request.
• Related issues are referenced.
• Populated github labels field
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Commit Type:

Check the conventional commit type
box here and add the label to the github PR.

• build
• ci
• docs
• feat
• fix
• perf
• refactor
• revert
• style
• test

Related PRs:

NA

Where should the reviewer start?

L0_perf_nomodel_new

Test plan:

None

• CI Pipeline ID:
  https://gitlab-master.nvidia.com/dl/dgx/tritonserver/-/pipelines/19337854

Caveats:

Altering PA values alters the measurements greatly

Background

Kibana dashboard
https://gpuwa.nvidia.com/kibana/app/dashboards#/view/e18ad380-79e8-11ef-9f55-436af67f73cb?_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:now-90d,to:now))

Related Issues: (use one of the action keywords Closes / Fixes / Resolves / Relates to)

None